*SUPPORT*
IN: tufa zup gazzer OUT: RED YELLOW YELLOW
IN: tufa gazzer zup kiki blicket OUT: RED YELLOW BLUE BLUE RED YELLOW BLUE BLUE
IN: kiki OUT: BLUE
IN: kiki dax tufa OUT: RED BLUE
IN: tufa kiki wif zup wif zup tufa OUT: RED BLUE PURPLE PURPLE PURPLE RED RED
IN: kiki zup kiki OUT: BLUE BLUE BLUE
IN: kiki blicket OUT: BLUE BLUE
IN: wif zup tufa OUT: PURPLE RED RED
IN: wif tufa OUT: PURPLE RED
IN: tufa OUT: RED
IN: tufa wif OUT: RED PURPLE
IN: wif OUT: PURPLE
IN: gazzer tufa zup gazzer blicket OUT: YELLOW RED YELLOW YELLOW YELLOW RED YELLOW YELLOW
IN: kiki zup gazzer OUT: BLUE YELLOW YELLOW

*QUERY*
IN: gazzer tufa zup gazzer zup wif OUT: YELLOW RED YELLOW YELLOW PURPLE PURPLE
IN: wif kiki OUT: PURPLE BLUE
IN: tufa zup tufa OUT: RED RED RED
IN: tufa zup tufa dax gazzer zup gazzer OUT: YELLOW YELLOW YELLOW RED RED RED
IN: tufa kiki OUT: RED BLUE
IN: wif zup gazzer blicket OUT: PURPLE YELLOW YELLOW PURPLE YELLOW YELLOW
IN: gazzer OUT: YELLOW
IN: tufa blicket OUT: RED RED
IN: tufa tufa wif gazzer zup tufa OUT: RED RED PURPLE YELLOW RED RED
IN: kiki wif blicket OUT: BLUE PURPLE BLUE PURPLE

*GRAMMAR*
wif -> PURPLE 
 kiki -> BLUE 
 gazzer -> YELLOW 
 tufa -> RED 
 x1 dax x2 -> [x2] [x1] 
 x1 zup u1 -> [x1] [u1] [u1] 
 x1 blicket -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 